local food production can be seen worldwide, and there are several local wisdoms on food production. there are many problems on local food production, including the problem of microbiological contamination, which is considered a great concern. the safety consideration is required. in the tropical world, the problem of local tropical food production should be specially discussed. there are many ...

the present study aims to have a comparative study of the results, from biological monitoring as well as conventional method, based on physico-chemical variables. water quality index (wqi) and planktonic diatom metrics have been used to determine water quality and ecological conditions of the dong nai river (dnr) and canonical correspondence analysis (cca) to find out the main environmental var...